Saturn’s vanishing rings

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports

Your dusty, distant destination awaits, with unique geology that reveals billions of years of cosmic collisions

‘The universe is a pretty big place. If it’s just us, it seems like an awful waste of space,’ wrote the American astronomer and author Carl Sagan in his book, Contact. Ever since humans first huddled

20 amazing answers t o curious

BEST TIME TO SEE: From 03:30 BST (02:30 UT) all month. Closest approach on 12 August Venus is the brightest planet that can be seen from Earth. At its peak brightness, when 22% illuminated, Venus appr